564 results about "Host machine" patented technology

Methods, systems, and computer storage media for providing cybersecurity simulation management using a cybersecurity engine in a security management system. Cybersecurity simulation management supports providing a controlled computing environment associated with generative artificial intelligence (AI) security operations for responding to cyber-threats and incidents. In operation, a prompt for a task is communicated from a host machine to a generative AI model. The prompt is associated with a generative AI cybersecurity simulation environment comprising the host machine, the generative AI model, an attacker machine, and a victim machine. The host machine receives a first response from the generative AI model. Based on the first response, the host machine communicates a command to the attacker machine, where the attack machine generates a second response based on executing the command on the victim machine. The host machine receives the second response. The second response is tagged as an outcome associated with the task.

The invention discloses an extended metadata-based cross-running-environment task switching method for a swan monk system, which comprises the following steps of: distributing a DRM container memory in a host machine for sharing of a container application and a task switcher so as to store thumbnail textures, starting a container management module to manage container application metadata, starting an application monitor in a container to monitor texture changes, and starting a task switcher to carry out task switching; through interaction among the container management module, the task switcher and the container, task switching is carried out in a native application mode when the container application is started, switched and quitted, and active response to changes of the container application is achieved through interaction among the container management module, the task switcher and the application monitor.

The invention discloses a 10KV station electric control system of a convertor station adopting selecting 2 from 3 logic. Two PS830 boards are added, three PS830 boards are utilized to concurrently process and jointly realize a spare power automatic switching function and an operation interlocking logic function; the selecting 2 from 3 logic is added in PS853 programs of an ASI host machine and a switching value output board, i.e. the electric control system can be exported when at least two of three integrated circuit boards sends out same instructions. The damage of any one of the three PS830 boards can not lead to switch fault trip or refusing trip, the 10KV control system can be ensured to run safely and stably without being influenced by the faults of single element. The electric control system has the advantages of convenient use, safety and the like.

The invention discloses a data processing method, device and equipment and a readable storage medium, and the method comprises the steps: running a business application in a virtual machine, and obtaining a business application instruction set; the instruction type of the business application instruction set is an instruction type supported by a processor of the host machine; writing a service application instruction set in a virtual memory of the virtual machine into a shared physical memory in a virtual interaction device corresponding to the virtual machine, and generating writing notification information used for representing a writing completion state of the service application instruction set; the shared physical memory is a physical memory used for being jointly read and written by the virtual machine and the management program in the host machine; and in the management program, obtaining write-in notification information, obtaining the business application instruction set in the shared physical memory through the write-in notification information, and executing the business application instruction set through a processor of the host machine to obtain instruction execution data corresponding to the business application instruction set. By adopting the method and the device, the performance of running the business application by the virtual machine in the host machine can be improved.

Discussed herein is a routing mechanism for graphical processing units (GPUs) that are hosted on several host machines in a cloud environment. For a packet transmitted by a GPU of a host machine and received by a network device, the network device determines an incoming port-link of the network device on which the packet was received. The network device obtains a flow information associated with the packet, and computes, based on the flow information, an outgoing port-link of the network device in accordance with a hashing algorithm. The hashing algorithm is configured to hash packets received on a particular incoming port-link of the network device to be transmitted on a same outgoing port-link of the network device. The network device forwards the packet on the outgoing port-link of the network device.

The invention relates to the technical field of GPUs, in particular to a GPU virtualization video memory management method and device, a storage medium and a program product. The method comprises the steps that a virtual machine transmits a page table root address corresponding to a target application program running in the virtual machine to a host machine; the virtual machine calls the non-memory operation type API in response to the target application program, intercepts calling of the non-memory operation type API and forwards the calling to the host machine; and in the host machine, accessing a video memory area corresponding to a target application program based on the page table root address through the drive of the non-memory operation type API, executing an instruction of the non-memory operation type API, and returning a processing result of the instruction of the non-memory operation type API to the virtual machine. According to the method and the device, the rear-end driver in the host machine can directly access the video memory resources allocated by the virtual machine, so that the resource utilization rate and the task execution efficiency are improved.

The dual-mode self-healing method of the automatic test system based on virtualization hierarchical monitoring comprises the following steps: initializing a platform dual-mode monitoring module, and establishing communication between the platform dual-mode monitoring module and a test machine; constructing a three-layer three-dimensional monitoring system and a cross-level correlation analysis engine to monitor the state of the test machine; performing automatic testing on a testing machine; monitoring and recording hardware monitoring data of the test machine, and recording possible fault data in the monitoring process; predicting the task success rate of the test; and the platform dual-mode monitoring module monitors the abnormal state of the test machine through a three-layer stereoscopic monitoring system and a cross-hierarchy association analysis engine, obtains an abnormal fault branch and determines a corresponding self-healing measure. According to the method, automatic identification and correlation analysis of double-layer faults of the virtual machine and the host machine can be carried out, hardware faults, virtual machine faults and cross faults can be accurately judged, fault self-healing is realized through a self-healing decision, the test efficiency is improved, and the stability of the test process is ensured.

A method and an apparatus for recording a cold / hot state of a memory, the method includes: determining a first cold / hot state set, wherein the first cold / hot state set is configured for recording a first cold / hot state type of a reserved memory of a host machine, where a plurality of cold / hot state sets are maintained in the host machine, and each cold / hot state set corresponds to one cold / hot state type; scanning sequentially an item in the first cold / hot state set, wherein the first cold / hot state set includes at least one item, and the at least one item forms an out-of-order array, and each item includes a memory slice serial number, memory size information, a next field and a process field.

The invention discloses a dual-redundancy servo controller and a main-standby autonomous switching method thereof, and belongs to the technical field of electric servo control. The controller comprises a host machine and a standby machine; each of the host and the standby machine comprises a DSP (Digital Signal Processor), an FPGA (Field Programmable Gate Array), a hardware ID (Identity) identification module, a motor power driving IPM (Intelligent Power Module) and a generator tripping instruction module which are in signal connection; the DSP and the FPGA are respectively connected with an LDO (Low Dropout Regulator) power module; the FPGA is in communication connection with the control system; the motor power driving IPM is connected with the execution mechanism; the DSP processors of the host and the standby machine are in signal connection; and the switching instruction modules of the host and the standby are in signal connection. The invention discloses a main / standby autonomous switching method for a dual-redundancy servo controller, which adopts a DSP and an FPGA to cooperatively detect and process faults, improves the fault detection rate by 5%, and reduces the possibility that the output of an IPM module is not turned off by 20% when a fault occurs; three heterogeneous redundant generator tripping modes of hardware generator tripping, serial port generator tripping and heartbeat generator tripping are adopted, and the reliability of main and standby independent generator tripping is improved by 20%.

The invention discloses a test method and device, electronic equipment and a storage medium, and relates to the technical field of computers, the method comprises the following steps: in response to a preset test instruction, obtaining a drive program corresponding to a graphics processor and a toolkit supporting operation of a centralized communication library to be tested, and deploying the drive program and the toolkit into a plurality of host machines; the host machine comprises a plurality of graphics processors; installing a centralized communication library to be tested and a centralized communication library test tool set in the host machine; acquiring hardware configuration information and hardware topology information of the host machine, and determining test parameters according to the hardware configuration information and the hardware topology information; and testing the centralized communication library to be tested by using the test parameters and the communication library test tool set. According to the method and the device, the testing efficiency of the centralized communication library can be improved, errors caused by manual operation can be reduced, and the testing accuracy is improved.

A container-based parallel computing system for executing high-performance computing (HPC) applications. The system leverages container technology to package the applications executed at the nodes in a cluster. To load and execute a job in the parallel computing system, containers are deployed in a cluster that include all the application resources and configuration information that the particular HPC application needs to execute. An event-driven batch scheduler may be used to dynamically allocate resources for executing multi-node jobs in the container-based parallel computing system, handling the coordination of resource allocation for the customer. The scheduler insures that jobs begin executing as fast as possible, and handles failure conditions such as partial scaling. Virtual network interfaces are attached to the containers that allow the containers to connect to and communicate with other containers in the cluster directly through the network interfaces of host machines using IP addresses provided by the virtual network interfaces.

Disclosed in the present invention are a memory data swapping method, a memory data swap-out method, a memory data swap-in method, and a memory data swapping system. The memory data swapping method comprises: controlling a host machine to switch from running a host machine operating system to running a virtual machine operating system; during running of the virtual machine operating system on the host machine, acquiring a memory swap request, wherein the memory swap request is used for requesting to swap memory data between a physical memory of the host machine and a back-end storage medium corresponding to the host machine; in response to the memory swap request, determining a task swap category corresponding to the memory data; and for the memory data, executing a swap task, corresponding to the task swap category, between the physical memory of the host machine and the back-end storage medium. The present invention solves the technical problem of great memory swap limitation.

The embodiments of the present application relate to the technical field of virtual machines. Provided are a method and apparatus for repairing a virtual machine in a cloud environment, and an electronic device and a storage medium. The method comprises: receiving a first request, which is sent by a console, wherein the first request is used for requesting the repair of a target virtual machine, and the first request comprises a virtual machine identifier of the target virtual machine; querying a mirror database for a target mirror identifier of a pre-made live CD mirror corresponding to the virtual machine identifier; and creating a target cloud block storage, which is used for storing the live CD mirror corresponding to the target virtual machine identifier, and mounting the target cloud block storage to a host machine, in which the target virtual machine is located, such that the host machine downloads the live CD mirror corresponding to the target mirror identifier from a mirror storage warehouse to the target cloud block storage, mounts the target cloud block storage to the target virtual machine, and starts the target virtual machine by means of the target cloud block storage. By means of the embodiments of the present application, a target cloud block storage, in which a live CD mirror is loaded, is mounted to a target virtual machine, thereby realizing the start of the virtual machine which has a system fault.

The invention discloses a tracking connection number control method and device of a virtual machine, equipment and a medium, and relates to the technical field of virtualization, the method comprises the following steps: determining a demand tracking connection number of a host machine according to historical tracking connection number information of the host machine; determining a virtual machine distributable tracking connection number of the host machine according to the total tracking connection number upper limit value and the demand tracking connection number of the host machine; adjusting the tracking connection number upper limit value of each virtual machine according to the virtual machine distributable tracking connection number and the tracking connection number of each virtual machine on the host machine; according to the method, the total tracking connection number of the host machine is divided into the tracking connection number of the host machine and the tracking connection number of the virtual machine, and the tracking connection number required by the follow-up host machine can be predicted by utilizing the historical tracking connection number information of the host machine, so that the tracking connection number of the host machine can be predicted under the condition of ensuring normal communication of the host machine. The tracking connection number of the virtual machine is conveniently and effectively controlled, and the resource utilization rate and safety of the host machine are improved.

Discussed herein is a framework that provisions for customized processing for different classes of traffic. A network device in a communication path between a source host machine and a destination host machine extracts a tag from a packet received by the network device. The packet originates at a source executing on the source host machine and whose destination is the destination host machine. The tag set by the source and indicative of a first traffic class to be associated with the packet, the first traffic class being selected by the source from a plurality of traffic classes. The network device determines, based on the tag, that the first traffic class corresponds to a latency sensitive traffic and processes the packet using one or more settings configured at the network device for processing packets associated with the first traffic class.

Virtual platform system for use in a cloud-based system, comprising: a virtual platform simulator configured to represent in software a physical remote client device and to have this representation interact with a virtual platform application; a process virtual machine configured to execute program instructions of the virtual platform application and comprising a code morpher component for transforming the program instructions of the virtual platform application into native program instructions for execution on a physical host machine of the cloud-based system; and interception components for capturing transactions from the virtual platform simulator and the process virtual machine. The transactions are related to the execution of the program instructions of the virtual platform application. The virtual platform system is configured to compare the captured transactions with pre-stored transactions, preferably stored in a blockchain, to obtain a comparison result, and to allow the execution of the program instructions depending on the comparison result.

The embodiment of the invention discloses an equipment management method and electronic equipment, and the method comprises the steps: setting an internal and external bridging directory of a container of a host machine as a loading point A before the operation of the container, and setting the transmission attribute of the loading point A as sharing; when the container runs, the loading point A is mapped into a loading point B in the container, the propagation attribute of the loading point B is set to be shared, and bidirectional propagation of mapping actions under the loading point A of the host machine and the loading point B in the container is supported; therefore, on the premise that the container does not run again, the inserted equipment can be mapped into the container through the internal and external bridging directory of the container of the host machine, so that the application in the container can access the equipment; meanwhile, after the equipment is pulled up, the equipment is cancelled and mapped into the container, so that the application in the container cannot access the equipment; and on the premise that the container does not run again and the equipment is kept being inserted, the equipment in the mapping container is independently canceled, and the use of the equipment by the host machine is not influenced.

The invention relates to the technical field of computers, and provides a USB (Universal Serial Bus) equipment redirection method, device and equipment for a virtual machine. The method comprises the steps that in response to the fact that a host machine detects that a registered USB device is inserted, a virtual machine authorized by the USB device is obtained according to registration information, and whether the authorized virtual machine is online or not is checked; if the plurality of virtual machines are detected to be online, selecting a target virtual machine from the plurality of virtual machines based on a virtual machine activeness rule or a VNC traffic size according to the VNC connection states of the plurality of virtual machines; and setting the operation authority of the target virtual machine to the USB device through the host machine, executing the redirection script, binding the USB device to the target virtual machine, and completing redirection. The scheme does not depend on the support of a specific SPICE protocol, realizes the redirection of the native-level USB equipment, does not need to additionally install a third-party tool for supporting the redirection of the USB, reduces the deployment complexity, and contributes to reducing the maintenance cost.

The invention relates to the technical field of address dynamic management, in particular to a master-slave address dynamic management method and device, electronic equipment and a computer readable storage medium, and the method comprises the steps: sending a query frame to each slave through a host at regular time, so as to obtain an address reply result corresponding to each slave within a specified time; on the basis of the address reply result corresponding to each slave, determining the online state of each slave; generating an updated dynamic address table according to the online state of each slave; and sending the dynamic address table to each inverter in the photovoltaic energy storage system. Therefore, it can be ensured that all the on-line slaves can obtain the system panoramic view which is completely consistent with that of the host, and then automatic switching of the host and the slaves can be rapidly and dynamically achieved in an inverter parallel operation system when a machine breaks down to exit or enter.

The invention discloses a log processing method and device, equipment and a storage medium, and relates to the technical field of computers, and the method comprises the steps: obtaining a to-be-compiled source code compiled for embedded equipment on a host machine, and traversing the to-be-compiled source code to recognize a Log statement template to obtain an original Log statement template; generating a unique identifier for the original Log statement template; identifying a formatted character string in the original Log statement template to obtain a target formatted character string, and deleting a non-conversion description character sequence in the target formatted character string to obtain a compressed formatted character string; splicing the unique identifier and the compressed formatted character string to obtain a compressed Log statement template, and replacing an original Log statement template in the to-be-compiled source code with the compressed Log statement template to obtain a new code; and compiling the new code to obtain a mirror image file, and running the mirror image file on the target machine to generate compressed Log information. According to the method, the log compression process is simplified, the higher compression ratio is achieved, and then occupation of memory space resources is reduced.

Discussed herein are techniques that utilize hierarchical locality information of host machines included in a cluster network for the execution of general workloads. Hierarchical locality information for each host machine of a plurality of host machines is stored. The hierarchical locality information for a host machine identifying, for each locality of a plurality of localities, location information for the locality. Responsive to receiving a request requesting execution of a workload, the hierarchical locality information for the plurality of host machines is obtained and provided (e.g., to a customer) in response to the request.

The invention relates to the field of software security, and particularly discloses a software patch security execution method and system based on container isolation. The method comprises the following steps of: receiving a target software path and a patch file path through a Go language; creating a temporary container environment, mounting a software directory in a read-only mode, and mounting a patch file in an executable mode; running a network monitoring module in a host machine, intercepting all network requests of the patch program in the container by adopting a transparent agent, and prompting a user to make a decision in real time; executing the predefined function test script in the container, and verifying the integrity of the core function through weighted calculation; and if the function test is passed and no network request is blocked, synchronizing the modified file in the container to a target directory of the host machine, otherwise, automatically destroying the container. According to the method, malicious codes are isolated through the container, network behaviors are dynamically monitored, functional integrity is automatically verified, and the problems of security risks and environmental pollution of patch application are effectively solved.

The present invention discloses a watchdog circuit and a method for recovering a satellite computer fault that combines software and hardware, and belongs to the field of aerospace computer security design. The watchdog circuit proposed by the present invention generates three dog bite signals, and measures are taken in sequence according to the severity of the fault, which can ensure that the fault is effectively resolved. The satellite computer fault recovery method that combines software and hardware of the present invention adopts a redundant dual-machine cold standby design for the satellite computer, and a single machine has a watchdog circuit that can generate non-maskable interrupts, system resets, and signals to open the other machine in sequence; if a hardware failure causes continuous abnormal resets, it is impossible to enter the normal working mode. The software adopts the following strategy: the host machine switches to the standby machine after being reset 6 times in a row, and the standby machine switches to the minimum mode after being reset 6 times in a row. The present invention has been implemented and verified in actual projects, and can effectively solve various software and hardware failures.

The invention provides an anti-eavesdropping system and an anti-eavesdropping method for eavesdropping according to a substance vibration principle. The system comprises an anti-eavesdropping intelligent host which is arranged indoors and comprises a pickup module and a signal processing module; the pickup module is used for picking up a sound signal of an indoor target sound source; the signal processing module is connected with the pickup module and is used for processing the sound signal to generate an interference signal; and the at least one interference generator is arranged on a solid isolator for isolating the indoor space from the outdoor space, is connected with the anti-eavesdropping intelligent host, and is used for converting the interference signal into a mechanical vibration signal so as to interfere an eavesdropping device through the mechanical vibration signal. According to the environment medium vibration principle, anti-eavesdropping is effectively achieved through reverse interference of the mechanical vibration signals on the eavesdropping device, and the anti-eavesdropping device has the advantages of being independent of sites, rapid in deployment and low in cost.

The invention provides a policy translation and kernel protection method and system applied to a container environment, and the method relates to a control device and a host machine, the control device is in communication connection with the host machine, and the method comprises the steps: the host machine creates a target container therein, and distributes a container identifier for the target container; the control device monitors creation of a target container and obtains a target security policy for file access in the target container, and the target security policy is compiled by adopting a high-level language; according to a dynamic translation mechanism, the control equipment converts a target security policy written by adopting a high-level language into a native instruction which can be directly executed by a kernel of a host machine in real time; the native instruction is sent to the host machine, so that the host machine calls the proxy tool to inject the native instruction into a kernel of the host machine, and the native instruction autonomously runs in the host machine without depending on communication with the control equipment. Therefore, the security access protection of the file in the target container can be realized through the native instruction injected into the kernel of the host machine.

The invention provides a method for executing a computing task through a GPU and a host machine, the GPU is configured on a target host machine, a first confidential virtual machine containing a first client and a second confidential virtual machine containing a first agent program run on the target host machine, and the second confidential virtual machine loads an encryption and decryption kernel into the GPU in advance. The method comprises the following steps: a first client transmits a calculation task to a first agent program through an encryption channel pre-established with the first agent program; the first agent program encrypts the calculation task through a session key negotiated in advance with the encryption and decryption kernel, and sends an obtained first encryption result to the GPU; the GPU decrypts the first encryption result according to the session key, and restores and executes the calculation task to obtain a calculation result; encrypting the calculation result according to the session key, and sending an obtained second encryption result to the first agent program; and the first agent program decrypts the second encryption result according to the session key, and sends the restored calculation result to the first client through the encryption channel.

The embodiment of the invention provides a software development environment construction method and device, equipment, a medium and a program product, and relates to the technical field of software development. The method comprises the following steps: acquiring a software development kit on a target architecture host machine; creating a file structure of the container mirror image, and copying the software development kit into the file structure; in any host machine, setting a prefabricated basic mirror image, and copying contents in the file structure into the basic mirror image in a layering manner through a file structure copying instruction to obtain a container file of the container mirror image; and constructing a container mirror image based on the container file, wherein an environment provided by the container mirror image is used for developing software of the target architecture. By the adoption of the method, a software development environment based on the basic mirror image can be constructed, the purposes of cross compiling, automatic compiling and testing can be achieved in a cross-framework mode, the software development difficulty can be lowered, and the software development efficiency can be improved.

The invention discloses a cross-platform desktop application barrier-free test method and system based on a containerization environment, and the method comprises the steps: constructing a test container containing an AT-SPI proxy DBus communication module, enabling the read-only of the test container to mount a host machine DBus socket and limit the right, and enabling a host machine to deploy a DBus bridging proxy as a cross-environment channel; the test container communicates with a host machine, other containers or desktop applications of a sandbox through the channel according to a target type, and the bridging agent dynamically analyzes a virtual DBus address forwarding request in a sandbox scene; the test container sends an AT-SPI request, and interface element capture is completed after returned control data is verified by the bridging agent; and finally executing an automatic test based on the element data and verifying a result. The invention aims to realize dynamic capture and automatic test of desktop application interface elements across host machines and containers / sandboxes.

The invention relates to an AI cluster simulation method and device, electronic equipment and a storage medium, and the method comprises the steps: determining the configuration information of a target AI simulation cluster, and the configuration information comprises a host machine list, network configuration information, simulation node configuration information and cluster configuration information; creating a container network on each host machine included in the host machine list according to the network configuration information; according to the container network and the simulation node configuration information, creating a plurality of simulation node containers on each host machine, and determining simulation node information of each simulation node container; according to the cluster configuration information and the simulation node information of each simulation node container, a target AI simulation cluster is created, and the target AI simulation cluster comprises a plurality of simulation node containers created on each host machine. According to the embodiment of the invention, the AI cluster simulation can be effectively realized by using a small number of physical hardware resources, the physical hardware resources are effectively saved, and the AI cluster simulation efficiency is improved.